A Paleozoic Pain in the Jaw (IMAGE) University of Toronto Caption This fossil reveals evidence of missing teeth, bone destruction and dental disease. Credit Reisz R R et al (2011). Osteomyelitis in a Paleozoic reptile: ancient evidence for bacterial infection and its evolutionary significance. <I>Naturwissenschaften – The Nature of Science.</I> Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.